This is a listing for a clutch lever spring out of a watchmaker's parts envelope that was labelled as Illinois 16s and 12s parts. As best I can tell this is for a 12s 1st, 2nd,4th and 5th models. Attached are pics from a Swigart illustrated parts manual showing the the 12s parts info. This is in good unused condition. Please see my other listings for similar items.

* Payment is requested within 24hrs of purchase. I do offer combined shipping. For small items such as watch parts, if they don't change the shipping weight of a package substantially then I will ship them at no additional cost. If you purchase an item that has free shipping then I will ship any additional items at no additional cost. Please request an invoice prior to payment. Due to changes in Ebay's returns process I am no longer able to refund shipping overcharges once payment is received.